49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator;
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use Symfony\Component\Validator\Constraints\ExpressionValidator;
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/**
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* Default implementation of the ConstraintValidatorFactoryInterface.
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*
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* This enforces the convention that the validatedBy() method on any
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* Constraint will return the class name of the ConstraintValidator that
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* should validate the Constraint.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class ConstraintValidatorFactory implements ConstraintValidatorFactoryInterface
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{
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protected $validators = [];
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public function __construct()
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{
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}
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/**
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* {@inheritdoc}
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*/
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public function getInstance(Constraint $constraint)
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{
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$className = $constraint->validatedBy();
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if (!isset($this->validators[$className])) {
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$this->validators[$className] = 'validator.expression' === $className
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? new ExpressionValidator()
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: new $className();
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}
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return $this->validators[$className];
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}
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}
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